import axios from 'axios'
import { Notification, MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'
import errorCode from '@/utils/errorCode'
import { tansParams } from "@/utils/pinxin";
import sessionStorage from '@/utils/sessionStorage'
import cookies from '@/utils/cookies'
axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'
// 创建axios实例
const service = axios.create({
  // axios中请求配置有baseURL选项，表示请求URL公共部分
  // baseURL: process.env.NODE_ENV === 'production' ? window.baseURL : '/',
  baseURL: window.baseURL,
  // 超时
  timeout: 50000
})

// request拦截器
service.interceptors.request.use(config => {
  // 是否需要设置 token
 
  // const isToken = (config.headers || {}).isToken === false
  // if (getToken() && !isToken) {
  //   // config.headers['Authorization'] = 'Bearer ' + getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
  //   config.headers['access_token'] = getToken()
  //   config.headers['account-code'] = `${localStorage.getItem('logSession')}`
  // }
  // // get请求映射params参数
  // if (config.method === 'get' && config.params) {
  //   let url = config.url + '?' + tansParams(config.params);
  //   url = url.slice(0, -1);
  //   config.params = {};
  //   config.url = url;
  // }
  let token = cookies.getCookie('userInfo')
  if (token) {
    config.headers['access_token']  = token.accessToken
  }
  return config
}, error => {
    console.log(error)
    Promise.reject(error)
})

// 响应拦截器
service.interceptors.response.use(res => {
  // 未设置状态码则默认成功状态
  const code = res.data.code || 200  ;
    // 获取错误信息
    const msg = errorCode[code] || res.data.msg || errorCode['default']
    if (code === 401) {
      MessageBox.confirm('登录状态已过期，您可以继续留在该页面，或者重新登录', '系统提示', {
          confirmButtonText: '重新登录',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).then(() => {
        // store.dispatch('LogOut').then(() => {
        //   location.href = '/index';
        // })
      }).catch(() => {});
      return Promise.reject('无效的会话，或者会话已过期，请重新登录。')
    } else if (code === 500) {
      Message({
        message: msg,
        type: 'error'
      })
      return Promise.reject(new Error(msg))
    }
      // else if (code !== 200) {
      // Notification.error({
      //   title: msg
      // })
      // return Promise.reject('error') }
    else {
      return res.data
    }
  },
  error => {
    console.log('err' + error)
    let { message } = error;
    if (message == "Network Error") {
      message = "后端接口连接异常";
    }
    else if (message.includes("timeout")) {
      message = "系统接口请求超时";
    }
    else if (message.includes("Request failed with status code")) {
      message = "系统接口" + message.substr(message.length - 3) + "异常";
    }
    Message({
      message: message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)

// 通用下载方法
export function download(url, params, filename) {
  return service.post(url, params, {
    transformRequest: [(params) => {
      return tansParams(params)
    }],
    headers: {
        'Content-Type': 'application/x-www-form-urlencoded'
    },
    responseType: 'blob'
  }).then((data) => {
    const content = data
    const blob = new Blob([content])
    if ('download' in document.createElement('a')) {
      const elink = document.createElement('a')
      elink.download = filename
      elink.style.display = 'none'
      elink.href = URL.createObjectURL(blob)
      document.body.appendChild(elink)
      elink.click()
      URL.revokeObjectURL(elink.href)
      document.body.removeChild(elink)
    } else {
      navigator.msSaveBlob(blob, filename)
    }
  }).catch((r) => {
    console.error(r)
  })
}

export default service
